134851831 has 2 divisors, whose sum is σ = 134851832. Its totient is φ = 134851830.

The previous prime is 134851817. The next prime is 134851859. The reversal of 134851831 is 138158431.

It is a happy number.

134851831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (138158431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134851831 - 2¹⁵ = 134819063 is a prime.

It is a super-2 number, since 2×134851831² = 36370032648105122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134851861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67425915 + 67425916.

It is an arithmetic number, because the mean of its divisors is an integer number (67425916).

Almost surely, 2^134851831 is an apocalyptic number.

134851831 is a deficient number, since it is larger than the sum of its proper divisors (1).

134851831 is an equidigital number, since it uses as much as digits as its factorization.

134851831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 134851831 is about 11612.5721095716. The cubic root of 134851831 is about 512.8050372058.

The spelling of 134851831 in words is "one hundred thirty-four million, eight hundred fifty-one thousand, eight hundred thirty-one".